Fire-proof material



(No Model.)

J. SMITH.

FIRE PROOF MATERIAL.

No. 881,439. Patented Apr. 17, 1888.

08W ud; Wm.

WITNESSES.

NY PETERS, Photoinhcgnphcr, Washington, D. c.

UNITED STATES PATENT OFFICE.

JAMES SMITH, OF oLEvELAND, OHIO.

FIRE-PROOF MATERIAL.

SPECIFICATION forming part of Letters Patent No. 381,439, dated April 1'7, 1888.

To all whom it may concern: wise secured to joist, studding, or other sup- Beit known that I, J AMEs SMITH, of Gleveport, with the coarser cloth A. on the outside land, in the county of Ouyahoga and State of to receive the plaster. The coarse wire-cloth Ohio, have invented certain new and useful A is much more expensive than the finer wire- 5 lmprovementsin Fire-Proof Material; and I do cloth, and consequently the coarse cloth is only hereby declare the following to be a full, clear, used where the plastering is to be applied. and exact description of the invention, such For simply a fireproof covering without as will enable others skilled in the art to which plastering both sheets of wire-cloth could be it pertains to make and use the same. of the light variety, as in such case the wireio My invention relates to improvements in cloth has only to hold the mineral wool in fire-proof material, designed more especially place. The material thus prepared is quite for lathing, in which alayer ofso-called minflexible, and can be bent around beam, post, eral wool is confined between sheets of wireor other parts of the structure where lathing cloth, the edges of the wire-cloth being fastor fire-proof covering is required. The pc- 1 ened together with wire and the body of the culiar qualities of mineral wool-such, for indevice quilted through and through with wire, stance, of being light, indestructible, and tirewhen necessary, to the end that a light and proof, together with its small initial cost-are cheap fire-proof lathing and covering is thus so Well known that they need only be menhad. tioned in this specification. 20 In the accompanying drawing, the figure is a \Vhat I claim is View in perspective illustrating my invention, 1. Fire-proof lathing consisting, essentially,

a portion of the upper wire-cloth and of the of coarse wirecloth suitable for plastering mineral-wool filling being broken away to show thereon, a backing of wire-cloth, and a filling of the construction. mineral wool, the parts being fastened to- 2 5 A represents coarse wire-cloth suitable for gether with wire, substantially as set forth. plastering thereon. A layer of mineral wool, 2. In fire-proof material, the combination.

B, is spread over sheet A, and a sheet, 0, of with a layer of so-called mineral wool, of light wire-cloth is laid on top. The edges of sheets of wire'cloth made to embrace the minthe two sheets of wire-cloth are fastened toeral wool, the sheets of wire-cloth being fast- 0 getlierv with wire along the edges thereof, as ened with wire along the edges thereof, and 0 shown at a, and if necessary the device is the material quilted through and through with quilted through and through with wire, as wire when necessary, substantially as setforth. shown at I). If the material is prepared on In testimony whereof I sign this specificathe ground and applied to ceilings the quilttion, in the presence of two witnesses, this 2d 5 ing along the central portion thereof will not day of July, 1887.

be required. If, on the other hand, the material is to be applied to vertical walls, or the material is to be shipped, the quilting will be Witnesses: necessary to hold the mineral wool in place. CHAS. H. DoREE,

40 The material thus prepared is nailed or other- ALBERT E. LYNCH.

JAMES SMITH. 

